rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
rcu: 	Tasks blocked on level-0 rcu_node (CPUs 0-1): P3091/1:b..l
	(detected by 1, t=10502 jiffies, g=14261, q=319 ncpus=2)
task:udevd           state:R  running task     stack:22696 pid:3091  ppid:1      flags:0x00004002
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5241 [inline]
 __schedule+0x143f/0x4570 kernel/sched/core.c:6558
 preempt_schedule_irq+0xf7/0x1c0 kernel/sched/core.c:6870
 irqentry_exit+0x53/0x80 kernel/entry/common.c:439
 asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:653
RIP: 0010:__kernel_text_address+0x9/0x40 kernel/extable.c:79
Code: 03 38 c1 7c c7 48 c7 c7 40 b6 99 8e e8 d0 9f 86 00 eb b9 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 53 48 89 fb e8 37 00 00 00 <85> c0 0f 95 c0 48 c7 c1 00 20 db 8f 48 39 cb 0f 93 c1 48 c7 c2 a2
RSP: 0018:ffffc9000316f750 EFLAGS: 00000287
RAX: 0000000000000001 RBX: ffffffff81eb3966 RCX: 0000000080000000
RDX: dffffc0000000000 RSI: ffffc90003168000 RDI: ffffffff81eb3966
RBP: ffffc9000316f810 R08: ffffc9000316f8f0 R09: ffffc9000316f7d0
R10: 0000000000000000 R11: dffffc0000000001 R12: ffff88807c82bb80
R13: ffffffff81786c50 R14: dffffc0000000000 R15: 1ffff9200062def9
 unwind_get_return_address+0x49/0x80 arch/x86/kernel/unwind_orc.c:323
 arch_stack_walk+0xf3/0x140 arch/x86/kernel/stacktrace.c:26
 stack_trace_save+0x113/0x1c0 kernel/stacktrace.c:122
 save_stack+0xf6/0x1e0 mm/page_owner.c:127
 __reset_page_owner+0x52/0x1a0 mm/page_owner.c:148
 reset_page_owner include/linux/page_owner.h:24 [inline]
 free_pages_prepare mm/page_alloc.c:1444 [inline]
 free_pcp_prepare mm/page_alloc.c:1494 [inline]
 free_unref_page_prepare+0xf63/0x1120 mm/page_alloc.c:3369
 free_unref_page+0x33/0x3e0 mm/page_alloc.c:3464
 qlink_free mm/kasan/quarantine.c:168 [inline]
 qlist_free_all+0x76/0xe0 mm/kasan/quarantine.c:187
 kasan_quarantine_reduce+0x156/0x170 mm/kasan/quarantine.c:294
 __kasan_slab_alloc+0x1f/0x70 mm/kasan/common.c:305
 kasan_slab_alloc include/linux/kasan.h:201 [inline]
 slab_post_alloc_hook+0x52/0x3a0 mm/slab.h:737
 slab_alloc_node mm/slub.c:3398 [inline]
 slab_alloc mm/slub.c:3406 [inline]
 __kmem_cache_alloc_lru mm/slub.c:3413 [inline]
 kmem_cache_alloc+0x10c/0x2d0 mm/slub.c:3422
 getname_flags+0xb8/0x4f0 fs/namei.c:139
 do_sys_openat2+0xd2/0x4f0 fs/open.c:1312
 do_sys_open fs/open.c:1334 [inline]
 __do_sys_openat fs/open.c:1350 [inline]
 __se_sys_openat fs/open.c:1345 [inline]
 __x64_sys_openat+0x243/0x290 fs/open.c:1345
 do_syscall_x64 arch/x86/entry/common.c:51 [inline]
 do_syscall_64+0x3b/0xb0 arch/x86/entry/common.c:81
 entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7f28721169a4
RSP: 002b:00007fff573e75d0 EFLAGS: 00000246 ORIG_RAX: 0000000000000101
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f28721169a4
RDX: 0000000000080141 RSI: 000055c0d02870d8 RDI: 00000000ffffff9c
RBP: 000055c0d02870d8 R08: 00000000ffffffff R09: 0000000000000000
R10: 00000000000001a4 R11: 0000000000000246 R12: 0000000000080141
R13: ffffffffffffffff R14: 00000000ffffffff R15: 00000000ffffffff
 </TASK>